const Immutable = require('immutable');

console.log([1, 2, 3]);
console.log(Immutable.fromJS([1, 2, 3]));
console.log(Immutable.fromJS({entries: [1, 2, 3]}));
console.log(Immutable.fromJS({
    vote: Immutable.Map({
        pair: [1, 2]
    }),
    entries: [3]
}));

const E1 = 'aa';
console.log(Immutable.Map({
    [E1]: 123
}));